About Vernayaz, Valais's Climate & Weather History

Vernayaz is a city of approximately 1,600 people in Valais, Switzerland. Located in the Europe/Zurich time zone at 46.1°N latitude.

In 2025, Vernayaz recorded an average annual temperature of 54°F. The hottest temperatures reached 97°F in August; the coolest were 12°F in February. Total precipitation for the year was 60 inches, with the wettest month being September. Snowfall for the year totaled approximately 45 inches.